Dr. Sibtain Ahmed
ResearcherUniversity of California, San Diego, USA
Highest Degree
Ph.D. in Biochemistry from University of Agriculture Faisalabad, Pakistan
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University of California, San Diego, USA
Biography
Dr. Sibtain Ahmed has performed Postdoctoral research at the University of California, San Diego, California; the University of New Mexico, Albuquerque, New Mexico; the University of Maryland, Baltimore, Maryland; and Northwestern University, Chicago, Illinois. His research interests include drug discovery, Industrial enzyme production, and Industrial Microbiology.
Area of Interest:
Microbiology
100%
Research Publications in Numbers
Books
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0
Chapters
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Articles
43
43
Abstracts
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Selected Publications
- Tabassam, Q., T. Mehmood, S. Ahmed, F. Anwar and Abdul Rauf Raza, 2022. Characterization and anticancer potential of Withania somnifera fruit bioactives (a native species to Pakistan) using gas chromatography-mass spectrometer, nuclear magnetic resonance and liquid chromatography-mass spectrometry-electrospray ionization. J. Tradit. Chin. Med., 42: 908-918.
CrossRef | Direct Link | - Mehmood, T., S. Ahmed, R. Waseem, S. Saeed, W. Ahmed, M. Irfan and A. Ullah, 2022. Valorization of fruit peels into biovanillin and statistical optimization of process using Enterobacter hormaechei through solid-state fermentation. Fermentation, Vol. 8. 10.3390/fermentation8020040.
CrossRef | Direct Link | - Liu, Y., S. Ahmed, Y. Fang, M. Chen and J. An, et al., 2022. Discovery of chitin deacetylase inhibitors through structure-based virtual screening and biological assays. J. Microbiol. Biotechnol., 32: 504-513.
CrossRef | Direct Link | - Tabassam, Q., T. Mehmood, S. Ahmed, S. Saeed and A.R. Raza et al. 2021. Gc-Ms Metabolomics Profiling and Hr-Apci-Ms Characterization of Potential Anticancer Compounds and Antimicrobial Activities of Extracts from Picrorhiza Kurroa Roots. JAB 19: 26-39.
CrossRef | Direct Link | - Tabassam, Q., S. Ahmed, T. Mehmood, M. Iqbal and S. Saeed et al. 2021. Phytochemical Investigation and Effective Therapeutic Potential of Plants Extracts against Breast and Ovarian Cancer Cell Lines: Compounds from Zizyphus mauritiana and Triticum aestivum. Cell Mol. Biol. (Noisy-le-grand) 10.14715/cmb/2021.67.1.22.
CrossRef | Direct Link | - Mushtaq, Z., S. Ahmed, F. Irshad and G. Mustafa, 2021. Isolation, identification and sequence analysis of subtilisin gene (quaking homolog) encoding a fibrinolytic enzyme from Bacillus subtilis. Indian J. Pharm. Sci., 83: 856-864.
CrossRef | Direct Link | - Ding, Z., S. Ahmed, J. Hang, H. Mi and X. Hou, et al., 2021. Rationally engineered chitin deacetylase from Arthrobacter sp. AW19M34-1 with improved catalytic activity toward crystalline chitin. Carbohydr. Polym., Vol. 274. 10.1016/j.carbpol.2021.118637.
CrossRef | Direct Link | - Arshad, U., S. Ahmed, N. Shafiq, Z. Ahmad and A. Hassan et al. 2021. Structure-Based Designing, Solvent Less Synthesis of 1,2,3,4-Tetrahydropyrimidine-5-Carboxylate Derivatives: A Combined In Vitro and In Silico Screening Approach. Mol. 10.3390/molecules26154424.
CrossRef | Direct Link | - Wu, X., S. Ahmed, X. Cui, J. Hang, S. Wang, S. Liu and Y. Fang, 2020. Expression and characterization of a novel organic solvent tolerant protease from Bacillus sphaericus DS11. Prep. Biochem. Biotechnol., 51: 28-34.
CrossRef | Direct Link | - Liu, S., S. Ahmed, C. Zhang, T. Liu, C. Shao and Y. Fang, 2020. Diversity and antimicrobial activity of culturable fungi associated with sea anemone Anthopleura xanthogrammica. Elect. J. Biotechnol., 44: 41-46.
CrossRef | Direct Link | - Arif, R., S. Ahmed and G. Mustafa, 2020. In silico study to reveal annotation and significant interactions of human defensin with its isoforms and their phylogeny. Indian J. Pharm. Sci., 10.36468/pharmaceutical-sciences.669.
CrossRef | Direct Link | - Liu, S., S. Ahmed and Y. Fang, 2019. Cloning, Expression and Characterization of a Novel α-Amylase from Salinispora arenicola CNP193. The Protein J., 38: 716-722.
CrossRef | Direct Link | - Ahmed, S., G. Mustafa, M. Arshad, M.I. Rajoka, 2017. Fungal Biomass Protein Production from Trichoderma harzianum Using Rice Polishing. BioMed Res. Int., 2017: 1-9.
CrossRef | Direct Link | - Mustafa, G., S. Ahmed, N. Ahmed and A. Jamil, 2016. Phytochemical and Antibacterial Activity of some unexplored medicinal plants of Cholistan desert. Pak. J. Bot., 48: 2057-2062.
- Arshad, M. and S. Ahmed, 2016. Cogeneration through bagasse: A renewable strategy to meet the future energy needs. Renewable Sustainable Energy Rev., 54: 732-737.
CrossRef | Direct Link | - Zafar, M., S. Ahmed, M.I.M. Khan and A. Jamil, 2014. Recombinant expression and characterization of a novel endoglucanase from Bacillus subtilis in Escherichia coli. Mol. Biol. Rep., 41: 3295-3302.
CrossRef | Direct Link | - Arshad, M., S. Ahmed, M.A. Zia and M.I. Rajoka, 2014. Kinetics and thermodynamics of ethanol production by a Saccharomyces cerevisiae MLD10 using molasses. Appl. Biochem. Biotechnol., 172: 2455-2464.
CrossRef | Direct Link | - Ahmed, S. and A. Jamil, 2014. Bioactivity guided isolation of a novel protein from Moringa oleifera with antimicrobial activity. FASEB J., 28: 975-979.
CrossRef | Direct Link | - Fang, Y., S. Ahmed, S. Liu, S. Wang, M. Lu and Y. Jiao, 2013. Optimization of antioxidant exopolysaccharidess production by Bacillus licheniformis in solid state fermentation. Carbohydr. Polym., 98: 1377-1382.
CrossRef | Direct Link | - Ahmed, S., W. Byrd, S. Kumar and E.C. Boedeker, 2013. A directed intimin insertion mutant of a rabbit enteropathogenic Escherichia coli (REPEC) is attenuated, immunogenic and elicits serogroup specific protection. Vet. Immunol. Immunopathol., 152: 146-155.
CrossRef | PubMed | Direct Link | - Ahmed, S., M. Zafar and A. Jamil, 2013. Cloning and recombinant expression of an endoglucanse from Bacillus subtilis. Protein Sci., 22: 237-238.
- Ahmed, S., M. Afzal and M.I. Rajoka, 2013. Kinetic and thermodynamic characterization of lysine production process in Brevibacterium lactofermentum. Appl. Biochem. Biotechnol., 170: 81-90.
CrossRef | PubMed | Direct Link | - Rajoka, M.I., S. Ahmed, A.S. Hashmi and M. Athar, 2012. Production of microbial biomass protein from mixed substrates by sequential culture fermentation of Candida utilis and Brevibacterium lactofermentum. Ann. Microbiol., 62: 1173-1179.
CrossRef | Direct Link | - Ghori, M.I., S. Ahmed, M.A. Malana and A. Jamil, 2012. Kinetics of exoglucanase and endoglucanase produced by Aspergillus niger NRRL 567. Afr. J. Biotechnol., 11: 7227-7231.
CrossRef | Direct Link | - Ahmed, S., S.S. Imdad and A. Jamil, 2012. Comparative study for the kinetics of extracellular xylanases from Trichoderma harzianum and Chaetomium thermophilum. Electron. J. Biotechnol., 10.2225/vol15-issue3-fulltext-2.
CrossRef | Direct Link | - Ghori, M.I., S. Ahmed, M.A. Malana and A. Jamil, 2011. Corn stover-enhanced cellulase production by Aspergillus niger NRRL 567. Afr. J. Biotechnol., 10: 5878-5886.
CrossRef | Direct Link | - Ahmed, S., F. Ahmad and A.S. Hashmi, 2010. Production of microbial biomass protein by sequential culture fermentation of Arachniotus sp., and Candida utilis. Pak. J. Bot., 42: 1225-1234.
Direct Link | - Wagner, I.D., S. Ahmed, W. Zhao, C.L. Zhang, C.S. Romanek, M. Rohde and J. Wiegel, 2009. Caldanaerovirga acetigignens gen. nov., sp. nov., an anaerobic xylanolytic, alkalithermophilic bacterium isolated from Trego Hot Spring, Nevada, USA. Int. J. Syst. Evol. Microbiol., 59: 2685-2691.
CrossRef | PubMed | Direct Link | - Athar, M., S. Ahmed and A.S. Hashmi, 2009. Bioconversion of beet pulp to microbial biomass protein by Candida utilis. J. Chem. Soc. Pak., 31: 115-121.
Direct Link | - Ali, S., S. Ahmed, M.A. Sheikh, A.S. Hashmi and M.I. Rajoka et al., 2009. Lysine production by L-homoserine resistant mutant of Brevibacterium flavum. J. Chem. Soc. Pak., 31: 97-102.
Direct Link | - Ahmed, S., S. Riaz and A. Jamil, 2009. Molecular cloning of fungal xylanases: An overview. Applied Microbiol. Biotechnol., 84: 19-35.
CrossRef | PubMed | Direct Link | - Ahmed, S., A. Bashir, H. Saleem, M. Saadia and A. Jamil, 2009. Production and purification of cellulose-degrading enzymes from a filamentous fungus Trichoderma harzianum. Pak. J. Bot., 41: 1411-1419.
Direct Link | - Sattar, M., S. Ahmed, M.A. Sheikh and A.S. Hashmi, 2008. Fermentation of yeast sludge with Brevibacterium flavum to enhance lysine concentration. J. Chem. Soc. Pak., 30: 642-648.
Direct Link | - Saleem, F., S. Ahmed and A. Jamil, 2008. Isolation of a xylan degrading gene from genomic dna library of a thermophilic fungus Chaetomium thermophile ATCC 28076. Pak. J. Bot., 40: 1225-1230.
Direct Link | - Saadia, M., S. Ahmed and A. Jamil, 2008. Isolation and cloning of CRE1 gene from a filamentous fungus Trichoderma harzianum. Pak. J. Bot., 40: 421-426.
Direct Link | - Irshad, M., S. Ahmed, F. Latif and M.I. Rajoka, 2008. Regulation of Endo- β-D- Xylanase and β- Xylosidase Synthesis in Humicola lanuginose. J. Chem. Soc. Pak., 30: 913-918.
Direct Link | - Ahmed, S., A. Jabeen and A. Jamil, 2007. Xylanase from Trichoderma harzianum: Enzyme characterization and gene isolation. J. Chem. Soc. Pak., 29: 176-182.
Direct Link | - Ahmed, S., A. Nighat, L. Farooq, M.I. Rajoka and J. Amar, 2005. Molecular cloning of cellulase genes from Trichoderma harzianum. Front. Natur. Prod. Chem., 1: 73-75.
CrossRef | Direct Link | - Ahmed, S., Qurrat-ul-Ain, A. Nighat, N. Saima, Sajjad-ur-Rahman and J. Amer, 2003. Induction of xylanase and cellulase genes from Trichoderma harzianum with different carbon sources. Pak. J. Biol. Sci., 6: 1912-1916.
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